Jobs at Djinni

We are looking for a detail-oriented and analytical Trainee Anti-Fraud Analyst to join our Risk
& Integrity team. In this role, you will be on the front lines of defending our platform against
bonus abuse, payment fraud, and suspicious gameplay.
Key Responsibilities
● Analyze customer activity, player behavior, payments, betting, and casino gameplay to
detect suspicious patterns, anomalies, and fraud risks.
● Investigate accounts, identify links between profiles, and make decisions on restrictions,
blocking, or escalation.
● Review AML forms, KYC documents, and related verification information to identify
inconsistencies, red flags, or potential abuse.
● Process and respond to fraud-related requests from internal teams such as Support,
Payments, and KYC, and monitor triggers, alerts, and other fraud signals.
● Maintain reporting, document case outcomes, participate in improving anti-fraud rules
and controls, and test products, flows, and processes for vulnerabilities that can be
exploited for fraud or abuse.
Requirements
● Understanding of casino operations and core gaming processes, including bonus
mechanics, game types, betting logic, withdrawal verification, and general player
lifecycle.
● Strong logical thinking and ability to analyze customer behavior and identify suspicious
patterns.
● Ability to make decisions and clearly explain the reasoning behind them.
● Attention to detail and accuracy when reviewing accounts, transactions, forms, and
documents.
● Readiness to work with repetitive tasks and large volumes of information without losing
quality.
● English level: A2+.
● Basic Excel or Google Sheets skills.
● Ability to learn quickly, adapt to new processes, and work effectively in a team.
● Previous experience in anti-fraud will be a plus, but is not required. Experience in L2,
Payments, KYC, or other roles related to checks and analysis will also be a plus.
● Possession of your own reliable laptop/PC and a stable internet connection.
● Readiness to work in shifts, including night shifts and weekends, to ensure 24/7
operational coverage.

Benefits
● Competitive Compensation
● Flexibility: 100% remote work environment.
● Paid Time Off: 18 days of vacation plus 5 sick days per year.
● Career Growth: Real opportunities to progress within a professional, high-demand
support and analysis environment.

We’re looking for a strong sales professional with real experience selling virtual card products and Banking-as-a-Service platforms. This person should understand the payments ecosystem well, know how to sell complex financial products, and be comfortable working with fast-moving online businesses.

A big plus is hands-on experience selling to affiliate marketers, media buyers, marketing teams, or clients operating in the performance marketing space.

What we expect:

• Proven experience in B2B sales of virtual cards, payment infrastructure, or BaaS solutions
• Strong understanding of the card issuing / banking / fintech landscape
• Ability to find, approach, and close high-value clients independently
• Confidence in speaking with founders, operators, and decision-makers
• Good understanding of affiliate marketing, traffic teams, media buying, or adjacent industries is a strong advantage
• Fluent English, strong communication, and commercial thinking

What this person will do:

• Build and manage pipeline from outreach to deal closure
• Sell virtual card and fintech infrastructure solutions to relevant clients
• Develop relationships with affiliates, agencies, media buying teams, and other high-volume users
• Work closely with the team on positioning, feedback, and growth opportunities

We need someone commercial, sharp, proactive, and genuinely familiar with this market — not a generic salesperson.

We are looking for a strong Technical Product / Project Manager who deeply understands the chargeback ecosystem and has hands-on experience with dispute prevention and resolution flows.

You should know how chargeback mitigation services work in practice, including alert-based prevention, representment logic, reason codes, issuer/acquirer flows, fraud signals, VRM / Verifi / Ethoca-style workflows, and the operational side of dispute handling. We need someone who can connect product thinking, payments knowledge, data analysis, and execution.

In this role, you will help shape and drive products focused on reducing chargebacks, improving dispute recovery, analyzing payment performance, and building practical workflows for merchants.

What we expect:

• Strong experience in chargebacks, disputes, fraud, and card payment operations
• Deep understanding of chargeback prevention services and alert/refund workflows
• Good grasp of payment processing, acquiring, MID-level performance, reason codes, and representment
• Ability to translate industry knowledge into product requirements and operational improvements
• Experience working with technical teams, analysts, and business stakeholders
• Strong analytical and structured thinking
• English sufficient for professional communication

Would be a big plus:

• Experience with subscription billing or high-risk / high-chargeback verticals
• Background in PSPs, acquirers, fraud tools, or merchant-side payment teams
• Experience building internal tools, dashboards, or workflow products in payments

What you will do:

• Research and structure the chargeback/dispute domain in depth
• Define product requirements and workflows
• Work with technical teams on implementation
• Analyze weak points in payment and dispute flows
• Help build practical solutions that reduce losses and improve recovery

If you want, I can also immediately give you a second version — a bit sharper, more “premium” and stronger for attracting top-level people.

Our client is a global leader in infrastructure software, specializing in enterprise API management and digital integration. 

They are looking for a driven professional to help shape the next stage of their core product and deliver tools that make a real impact on how businesses connect in the digital world.

About the Position:

We are hiring a Senior QA Automation Engineer to serve as the quality and testing expert within a fast-paced platform engineering team, ensuring the reliability of API management systems and integration technologies.

Please note: We are currently considering candidates based in Eastern Europe only. Good Java proficiency is a strict requirement for this role.

Responsibilities:

- Define and drive the overall testing strategy aligned with platform architecture and integration needs.
- Mentor engineers on automation best practices and maintain high quality standards across all software layers.
- Collaborate with DevOps, Product, Engineering, and client-facing teams to continuously improve product quality.
- Design and maintain automated and manual test suites for APIs, data stores, and service mesh components.
- Build and optimize test frameworks and CI/CD pipelines for Kubernetes and microservices environments.
- Lead performance and load testing using JMeter, Gatling, or k6, and identify risks and coverage gaps proactively.
- Develop deep knowledge of the platform stack, including Java services, Envoy proxies, Valkey, and MongoDB/PostgreSQL.

Requirements:

• Based in Eastern Europe (mandatory).
• 5+ years in QA / SDET roles 
• Strong Java skills (mandatory)
• Hands-on experience with API testing (REST, gRPC), including contract testing and mocking
• Proven track record in building automation frameworks for microservices
• Experience with Redis/Valkey, MongoDB, PostgreSQL
• Familiarity with Kubernetes and containerized environments
• Solid understanding of the test automation pyramid
• Experience with performance testing tools (JMeter, Gatling, k6)
• Strong debugging, problem-solving, and communication skills

• Agile/Scrum experience

   

Working Hours: Aligned with Ireland Timezone (GMT/IST).

Benefits:

- Fully Remote: Work from anywhere alongside a global, multicultural team.
- Competitive Pay: Attractive USD compensation package with comprehensive benefits.
- Flexible Schedule: Build a working routine that suits your lifestyle.
- Home Office Support: All necessary hardware and software provided.

Join our team! Help us build scalable, high-quality systems 🚀

🔹 Lead stability, scalability, and operational excellence at scale.

Softsich is a young and ambitious international product tech company that develops scalable B2B digital platforms. We’re on the lookout for an experienced DevOps/Infrastructure Lead who’s ready to grow with us and shape high-load, data-driven solutions used by international partners.

 

Your key responsibilities will include:

– Owning and managing cloud infrastructure across production, staging, and development environments.
– Designing, implementing, and maintaining CI/CD pipelines and deployment automation.
– Ensuring production stability, high availability, and scalability of all platform services.
– Configuring and maintaining monitoring, alerting, and observability tooling.
– Leading incident response for infrastructure-related issues and driving post-incident reviews.
– Planning and executing capacity management to support platform growth.
– Optimizing infrastructure costs: tracking spend, eliminating waste, right-sizing resources.
– Maintaining disaster recovery procedures, runbooks, and on-call readiness.
– Coordinating with development teams on infrastructure requirements and service dependencies.
– Managing developer tooling and internal platform services to support engineering productivity.
– Ensuring security best practices and compliance requirements across infrastructure.
– Continuously improving deployment processes, reliability, and operational efficiency.
– Leading, mentoring, and growing a team of infrastructure engineers.
– Validating and challenging technical estimates to ensure realistic commitments and early risk visibility.
– Reviewing team output for quality, completeness, and alignment with technical standards.

It’s a match if you have:

– 5+ years of experience in infrastructure, DevOps, or platform engineering roles, including at least 2 years in a lead or senior position.
– Strong hands-on experience with AWS (EC2, RDS, S3, ECS/EKS, Lambda, VPC, IAM, CloudFront, Route53, ElastiCache, SQS/SNS).
– Experience with AWS Organizations (multi-account management, SCPs, consolidated billing).
– Proficiency with Infrastructure as Code tools (Terraform, Ansible).
– Deep knowledge of Docker and Kubernetes (autoscaling, network policies, cluster management).
– Experience with Helm, ArgoCD (GitOps workflows), GitLab CI or GitHub Actions.
– Strong monitoring expertise (Datadog, Prometheus, Grafana, ELK, PagerDuty, JSM).
– Experience with Cloudflare (CDN, WAF, DDoS mitigation, Zero Trust).
– Solid networking fundamentals (DNS, ALB/NLB, VPN, VPC peering, firewalls).
– Strong security practices (IAM, Secrets Manager/Vault, CSPM, patch management, compliance readiness).
– Experience with high-load systems, load testing (k6, Locust, Gatling), capacity planning.
– Experience with databases (RDS PostgreSQL/MySQL, DocumentDB, Redshift, Redis/ElastiCache, Kafka).
– Strong Linux administration and scripting skills (Bash, Python).
– Proven ability to mentor engineers and validate technical estimates.
– Strong communication skills and ability to proactively surface risks.

Nice to have:

– Experience in regulated or high-availability environments.

What we offer:

– Flexible schedule and remote format or offices in Warsaw.
– 24 paid vacation days, sick leaves, and health insurance (UA-based, other locations in progress).
– A supportive, friendly team where knowledge-sharing is part of the culture.
– Coverage for professional events and learning.
– Birthday greetings, team buildings, and warm human connection beyond work.
– Zero joules of energy to the aggressor state, its affiliated businesses, or partners.

You see infrastructure not as a support function, but as a strategic driver of business stability and growth?
 

Send over your CV now — we’d love to get to know you better!

We are looking for a Sales Specialist with commercial experience in lead generation who can build effective outreach strategies and guide potential clients through the early stages of the sales funnel.

Key Responsibilities

• Develop and execute lead generation strategies
• Identify and engage potential clients
• Manage and nurture leads through initial communication stages
• Build relationships and guide clients toward sales opportunities

Requirements

• Proven commercial experience in lead generation or sales
• Ability to build and execute outreach strategies
• Strong communication and client management skills
• Experience with:
  • LinkedIn Navigator
  • Clutch
  • Upwork

We are looking for a proactive and detail-oriented General QA Engineer who can own the full testing lifecycle. This role is ideal for a strong junior or mid-level specialist who is comfortable working independently, collaborating with developers and product teams, and ensuring high product quality from requirements to release.

Responsibilities:

• Perform full-cycle testing: from requirements analysis to release validation;
• Design, write, and maintain test documentation (test cases, checklists, test plans);
• Conduct manual testing of web and/or mobile applications;
• Identify, document, and track bugs (e.g., using Jira or similar tools);
• Perform regression, smoke, sanity, and exploratory testing;
• Collaborate closely with developers, product managers, and designers;
• Participate in grooming, planning, and sprint activities;
• Validate requirements and provide early feedback on potential issues;
• Support release processes and post-release verification.

Requirements:

• 2+ years of experience in QA (or strong junior with solid practical experience);
• Understanding of QA methodologies, testing types, and software development lifecycle (SDLC);
• Experience with manual testing of web applications (mobile is a plus);
• Ability to write clear and structured test documentation;
• Experience with bug tracking systems (e.g., Jira, YouTrack, etc.);
• Basic knowledge of API testing (Postman, Swagger, etc.);
• Understanding of client-server architecture;
• Basic SQL knowledge for data validation;
• Experience working in Agile/Scrum teams;
• Good analytical thinking and attention to detail;
• English level: Intermediate or higher (written and spoken).

Nice to Have:

• Basic test automation knowledge (any language or framework);
• Experience with browser dev tools;
• Understanding of CI/CD processes;
• Experience with version control systems (Git).

DeepX is looking for a Account Manager / Sales Executive 

We are seeking a proactive sales professional who can independently generate pipeline, lead outbound outreach, and manage the full sales cycle from first contact to closing.

This role is ideal for someone who thrives in startup environments, works confidently without rigid processes, and takes ownership of building results.
 

Must-have:

● Proven experience in full-cycle sales roles such as Account Executive, Full-Cycle Sales, or Account Manager;
● Strong outbound sales experience, including cold calling;
● Ability to generate pipeline independently;
● Experience managing deals end-to-end;
● Comfortable working without predefined scripts or highly structured processes.
 

Nice-to-have:

● Experience in sales enablement (scripts, playbooks, sales frameworks);
● Team leadership, coaching, or mentoring experience;
● Strong lead generation background;
● Exposure to delivery handoff or client onboarding;
● Project management experience within sales cycles.

Role Overview:

The Tech Lead is the most senior operational role on the support team and the primary point of escalation for all critical incidents. This is a hands-on role combining direct technical work with team coordination. The Tech Lead triages, assigns, and resolves the highest-complexity issues while ensuring overall queue health and SLA compliance. The role carries 24/7 on-call responsibility for P1/P2 critical incidents in rotation with the counterpart Tech Lead in the other timezone.

Responsibilities:

• Lead daily operations: ticket triage, assignment to L1/L2, escalation management
• Own P1/P2 critical incident response — acknowledge within 30 min, drive to resolution, conduct post-mortem
• Participate in Change Advisory Board (CAB), release planning, and post-deployment validation
• Conduct root cause analysis (RCA) for complex and recurring incidents
• Coordinate knowledge transfer from incumbent vendor, own team KB quality
• Perform code-level investigation and fix for highest-complexity issues
• Mentor Java+DevOps engineers and L1 support engineers
• Manage weekend release activities (several times per year)

Required Technical Skills:

• Java: SpringBoot, JBoss/WildFly, Java 6–17 — production debugging, log analysis, hotfix deployment
• Databases: Oracle 11g, MS SQL Server — query writing, execution plan analysis, stored procedures
• AWS: Lambda, RDS, DMS, S3, DynamoDB, Kinesis, CloudWatch, CloudTrail — incident investigation and configuration
• DevOps: GitLab CI/CD, Docker, Kubernetes — pipeline monitoring, deployment management
• Observability: Datadog — dashboards, alert configuration, log correlation
• ITSM: ServiceNow — incident, problem, and change management workflows
• OS: Linux — log analysis, service management, shell scripting

Experience:

5+ years in application support or software engineering with support responsibility. Prior experience as a tech lead or senior engineer in managed services is preferred.

On-Call Requirements:

• Covers P1 (Critical) and P2 (Serious) incidents outside business hours, including nights and weekends
• Rotation shared between Ukraine and Argentina Tech Leads — approximately every other week per person
• Required response: acknowledge within 30 minutes, active engagement within 1 hour

• Incidents outside business hours are infrequent (historical avg: ~2 P1/P2 per month) but contractually binding

   

Language:

• English — required (all tickets, escalations, client communication)
• Ukrainian

Searching for an Ember Developer with experience in JavaScript (ES6+), TypeScript, HTML5, and CSS3.

English: B2
Location: Ukraine & Europe

We offer:

• Cooperation with a stable company with well-established processes and a positive atmosphere
• Experience in project management of different levels of complexity, methodology, and approaches
• Flexible schedule: Mon-Fri (8 hours a day)
• 18 days of paid vacation; 15 days sick leave
• A decent level of remuneration with regular reviews of the results of cooperation
• Extensive loyalty program 

Tango is a successful, marketleader, a live-streaming Platform with 450+ Million registered users, in an industry projected to reach $240 BILLION in the next couple of years. 

The B2C platform, based on the best-quality global video technology, allows millions of talented people around the world to create their own live content, engage with their fans and monetize their talents.

Tango live stream was founded in 2018 and is powered by 300+ global employees operating in a culture of growth, learning, and success!

The Tango team is a vigorous cocktail of hard workers, creative brains, energizers, geeks, overachievers, athletes, and more. We push the limits to bring our app from “one of the top” to “the leader”. 

The best way to describe Tango's work style is not to use the word “impossible”. And we believe that success is a thorny path that runs on sleepless nights, corporate parties, tough releases, and of course our users' smiles (and as we are a LIVE app, we truly get to see our users all around the world smiling right in front of us in real-time!).  

Responsibilities

• Development and support of SPA on ReactJS: web version mobile-first of a high-load application, admin panels for internal use, and marketing pages
• Collaborate with other teams to effectively meet the product and technical needs of the project
• Proactively participate in improvements and existing solutions tuning
• Share expertise and knowledge with your teammates

Requirements

• At least 5 years of commercial experience in development in JS (ES6+)/Typescript
• Strong knowledge of CSS, HTML5, SASS, Jest
• At least 2 years of commercial experience in development in with ReactJS version 16+ (hooks)
• Experience with state management frameworks: Redux and Redux toolkit preferred
• Intermediate English

What we offer:

• International company with several offices in different locations : Tel-Aviv, Kyiv, Warsaw, Limassol.
• Granting an Option;
• A professional environment with great people to work with;
• Competitive salary, performance review;
• Flexible working hours, no one here tracks your work time because our culture is built on trust and cooperation;
• Social package, including sports coverage, elite medical insurance for you and family;
• 20 working days paid vacation and 100% sick leaves coverage;
• Opportunities to make a difference, to develop and grow;
• Regular corporate celebrations, team buildings and fun activities;
• Comfortable office close to the metro station. Our Kyiv office is open 24/7 with all safety and health measures in place.

Technical Lead — Promotional Features Tech Team “Boosters”

Focus: High-load, distributed, player-facing promo features (network promotions)

Role type: Hands-on Tech Lead (80% delivery / 20% team leadership)

Why this role

We’re scaling Playson’s Promotional Features domain and building the Boosters direction further as part of our growth. This is a hands-on leadership role where you’ll personally build and ship production-ready features and own the technical direction of the Boosters team. Performance, scalability, and reliability are non-negotiable.

Boosters is responsible for player-facing network promotional features such as:

• Tournaments
• Free Spins
• Progressive Jackpots
• Smart Prize Drop Systems

Team & Collaboration model

Tech Boosters is an end-to-end cross-functional squad including:

• Full-stack & Backend Engineers
• Automation QA & Manual QA
• SRE

Product Boosters

• Product Manager
• Product Designer
• Product Analyst

There is no classic Product Owner/PM in the squad. You’ll work with a product commercial manager who acts as the customer — defines what is needed, why and how fast it is needed on the market. Your tech team owns how it will be built and when it will be delivered.

What you bring:

• Strong proficiency in Node.js and TypeScript (our primary backend stack). We’re also open to strong backend engineers from other ecosystems (e.g., Go, Java, C#, C++) who are ready to ramp up quickly.
• Strong understanding of asynchronous programming and concurrency patterns.
• Experience building distributed systems and working with messaging and coordination tools (e.g., Kafka, RabbitMQ, NATS, distributed locks).
• Experience with gRPC in production environments.
• Solid knowledge of databases: relational (MySQL, PostgreSQL), columnar (ClickHouse), and NoSQL (DynamoDB, MongoDB).
• Experience with cloud platforms (AWS/GCP/Azure) and Kubernetes.
• Skilled in building and maintaining unit and end-to-end tests.
• Proven track record of delivering production-ready solutions.
• Experience working with large-scale microservices architectures.
• Degree in Computer Science or a related field (or equivalent practical experience).

Preferred additional qualifications:

• Understanding of application security and industry best practices.

What you will be doing:

• Own technical decisions and technical part of the products and architecture for Boosters services (hands-on, production-grade).
• Develop and maintain backend applications for promotional features.
• Drive delivery as a key contributor: tech design → implement → test → release → operate.
• Optimize existing systems for performance, scalability, and reliability in a distributed environment.
• Lead the team execution with a “PoC-first” approach: fast validation → measurable outcomes → production hardening.
• Conduct code and architectural reviews; set engineering standards and best practices.
• Be the go-to technical owner: any tech problem in the domain is your problem to solve (with the team).
• Participate in on-call rotation and continuously improve operability (monitoring, alerting, runbooks, incident reviews).
  What we offer:
• Remote-first with flexible working arrangements across Europe or Ukraine
• Competitive compensation package (with performance-based bonuses up to 50%)
• Unlimited paid vacation & sick leave (B2B model)
• Premium health insurance (for you + 1 family member)
• Learning & development support (courses, certifications, mentoring, conferences)
• International exposure — attend industry expos, team gatherings & global meetups

Our requirements:

• Fluent/Advanced English (MUST!) 

• Ability to work night shifts (6 possible schedules: 15:00 – 00.00; 16:00 – 01.00; 17:00 – 02.00; 18:00 – 03.00; 19:00 – 04.00; 21:00 – 06.00 Kyiv time)

• Confident PC user with solid knowledge of Microsoft Windows

• Technical background or strong interest in exploring software and hardware products

• Strong organizational, training, and time-management skills

• Excellent communication and active listening abilities

• Understanding of conflict resolution

• Empathy, positive attitude and self-control

Nice to Have:

• Previous experience in customer or technical support

• IT education or relevant technical background

• Familiarity with ticketing systems (Zendesk, Zoho, ServiceNow), CRM platforms, and Jira

Summary:

As a Customer Support Specialist, you will have an opportunity to join a very dynamic international team and become a trusted advisor to our clients, with the opportunity to join a dynamic international team and become a trusted advisor to our clients, contributing to the overall quality of our product by sharing feedback with an opportunity to contribute to the overall quality of our product by sharing feedback with the relevant stakeholders.  

You will interact with US business owners, learn about the telecom industry and embark on an IT career path within the organization.  

Key Responsibilities:

• Support existing and prospective customers by providing timely and accurate information about B2BSoft products

• Identify, analyze, and troubleshoot technical issues and provide effective solutions

• Respond to support queries via phone, chat, and email

• Assist customers with software and hardware configurations, billing, and merchant services–related requests

• Maintain clear and detailed documentation of all service inquiries.

We are hiring a PSP / EMI Onboarding & Relationship Manager.

If you have hands-on experience with payment solutions, merchant onboarding, PSP relationships, or fintech operations, this role might be perfect for you.   
 

What You'll Do   

• Manage onboarding with EMIs, PSPs, Banks, and acquirers - Build strong relationships with financial partners
• Support merchants/clients with payment needs & onboarding
• Prepare KYB packages, bank forms, and documentation
• Evaluate new PSPs, EMIs, and jurisdictions 
• Track progress in CRM     
   

What We're Looking For      

• 1+ year in Fintech, PSP, EMI, Payments, Acquiring, or Consulting
• Understanding of SEPA/SWIFT, acquiring basics, merchant flows
• Strong communication & relationship management skills 
• Ability to handle multiple projects at once
• English B2+- Attention to detail & problem-solving mindset        

Nice to have         
knowledge of AML/KYC, governance structures, or company formations - Experience in high-risk industries          
 

What We Offer          
100% remote role Work with global PSP, EMIs, banks & top fintech professionals Clear career growth path Dynamic, international environment        

Requirements:

• Bachelor’s or Master’s degree (Mathematics, Statistics, IT, Analytics)
• 2–3 years of experience as a Risk/Fraud/Data Analyst in anti-fraud products for iGaming or E-commerce (such as Seon, LexisNexis, Covery, Kount, Riskified, Forter, Feedzai, etc.) or experience working with these systems*
• Experience in rule engine configuration — creating, testing, and optimizing rules based on transactional and behavioral data
• Understanding of scoring principles: knowledge of risk assessment models and fraud probability evaluation methods
• Ability to work with large datasets and identify fraud patterns
• Experience in building and visualizing reports
• Strong analytical thinking and attention to detail

• English level: Upper-Intermediate or higher

   

Will be a plus:

• Experience building an anti-fraud system from scratch or optimizing an existing one
• Experience in the crypto sector
• Knowledge of basic KYC principles
   

Key Responsibilities:

• Develop and maintain scoring models for customer/transaction risk assessment
• Configure, test, and optimize risk rules
• Monitor scoring accuracy and rule efficiency metrics
• Create and maintain reporting dashboards and analytics
• Analyze fraud incidents and develop fraud prevention strategies
• Collaborate with cross-functional teams